config/scripts/.common

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#!/bin/bash
## Helper funcs
pinfo() {
echo -e "\e[32m$@\e[39m"
}
perror() {
echo -e "\e[31m$@\e[39m"
exit 1
}
dls() {
path=$1
shift
curl -s -H 'Content-Type: application/json' -H 'Authorization: '$DLS_ADM_TOKEN'' http://127.0.0.1:7606${path} "$@"
}
kctl() {
kubectl --kubeconfig $ctxdir/kubeconfig "$@"
}
extract_var() {
where=$1
what=$2
grep -rh ' $what: ' $ctxdir/$where/*.yaml|awk '{print $2}'
}
## Run funcs
prereqs() {
[ $UID != 0 ] && perror This program needs to be run as root. Aborting...
set -ex
cd ..
ctxdir=$PWD
}
check_conf() {
all_clusters=$(ls $ctxdir/clusters|wc -l)
if [ "$all_clusters" != "1" ]; then
perror "Those helper scripts are not capable of running several clusters at once, check your configuration. Aborting..."
fi
}
fresh_start() {
rm -rf $ctxdir/secrets
}
unlock_store() {
# Unlock DLS store after checking if online
#
store_state=$(curl -sw %{http_code} localhost:7606/hosts -o /dev/null)
[ "$?" != 0 ] && perror "Direktil Local Server seems not up, please fix. Aborting."
if [ "$store_state" == "401" ]; then
pinfo Unlocking the DLS store ...
DLS_ADM_TOKEN=$(dls /public/unlock-store -d "\"${DLS_UNLOCK_TOKEN}\""|tr -d \")
pinfo Admin access token is $DLS_ADM_TOKEN
echo $DLS_ADM_TOKEN > $ctxdir/secrets/.dls_adm_token
chmod 400 > $ctxdir/secrets/.dls_adm_token
fi
}
get_hosts() {
hosts_files=$(basename $ctxdir/hosts/*.yaml|sed 's/.yaml//')
for h in ${hosts_files}; do
ip=$(grep ip: $ctxdir/hosts/${h}.yaml|awk '{print $2}')
hosts[$h]="$ip"
done
}
get_parts() {
for host in ${!hosts[*]}; do
mkdir -p $ctxdir/data/$host
for part in kernel initrd-v2
do
partfile=$ctxdir/data/$host/$part
test -f $partfile || dls /hosts/$host/$part -o $partfile
done
diskfile=$ctxdir/data/$host/disk.raw
test -f $diskfile || truncate -s ${QEMU_DISK_SIZE:-30G} $diskfile
done
}
create_kubeconfig() {
adm_token=$(dls /clusters/base/tokens/admin)
ca_cert=$(dls clusters/base/CAs/cluster/certificate|base64 -w0)
vip=$(extract_var clusters vip)
vip=$(extract_var clusters api_port)
pinfo "Writing new kubeconfig conf in $ctxdir directory, you may want to move it to \~/.kube/ directory for usability"
sed -e "s/__VIP_IP__/$vip/" \
-e "s/__VIP_API_PORT__/$vip_api_port/" \
-e "s/__CA_CERT__/$ca_cert/" \
-e "s/__ADM_TOKEN__/$adm_token/" \
scripts/.template.kubeconfig > kubeconfig
}
clean() {
sudo iptables -t nat -D POSTROUTING -j MASQUERADE -s $QEMU_BR_IP \! -o $QEMU_BR_NAME &>/dev/null
sudo iptables -D FORWARD -o $QEMU_BR_NAME -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT &>/dev/null
sudo iptables -D FORWARD -j ACCEPT -i $QEMU_BR_NAME &>/dev/null
}